pragmatist’s comment about special relativity (the linked diagram is now gone, it’s an interesting exercise to reconstruct it)
The link to the diagram still works for me. And thanks for the shout-out!
Looks like I was clicking wrong, now it works for me too.
The link to the diagram still works for me. And thanks for the shout-out!
Looks like I was clicking wrong, now it works for me too.